12101555224 has 16 divisors (see below), whose sum is σ = 24753181320. Its totient is φ = 5500706880.

The previous prime is 12101555189. The next prime is 12101555237. The reversal of 12101555224 is 42255510121.

It is a junction number, because it is equal to n+sod(n) for n = 12101555192 and 12101555201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68758749 + ... + 68758924.

Almost surely, 2^12101555224 is an apocalyptic number.

It is an amenable number.

12101555224 is an abundant number, since it is smaller than the sum of its proper divisors (12651626096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101555224 is a wasteful number, since it uses less digits than its factorization.

12101555224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137517690 (or 137517686 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 12101555224 in words is "twelve billion, one hundred one million, five hundred fifty-five thousand, two hundred twenty-four".